Yi Yi Special Steel (Jiangsu) Co., Ltd. Our company's stock products include: 16Mn seamless steel tubes, thick-walled steel tubes, large-diameter thick-walled pipes, etc. The cold-rolled precision bright pipes produced by our factory are characterized by smooth surfaces, uniform wall thickness, no oxidation layer, and high precision. The internal bore of the steel tubes can be round, spline, and梅花-shaped, widely used in the automotive, motorcycle, electric power, petrochemical, shipbuilding, aerospace, bearing, pneumatic components, hydraulic cylinders, boiler equipment industries. Materials available are: 10#, 20#, 35#, 45#, GCr15, 40Cr, 16Mn, etc. Custom-made precision pipes according to customer requirements are also available. Special materials and specifications can be pre-ordered. The company regularly produces seamless steel tubes according to Chinese National Standard (GB), American ASTM (ASME) standard, German DIN standard, Japanese JIS standard, and British BS standard. Specific products include low and medium-pressure boiler tubes, high-pressure boiler tubes, ship seamless steel tubes, petroleum cracking tubes, high-pressure fertilizer equipment seamless steel tubes, sleeve tubes, pipeline steel tubes, hollow oil-pulling rods, general fluid steel tubes, structural pipes, and imported alloy steel tubes. The product range is rich, specifications are complete, and they are widely used in the petrochemical, electric power, boiler, shipbuilding, machinery, and other industries. Products have been distributed nationwide and are exported to regions such as the Middle East, India, Southeast Asia, and Europe and the United States.
Our company has been manufacturing, selling, and acting as an agent for several major steel pipe factories such as Chenggang, Baogang, Angang, Tiangang, and Henggang, producing pipes in grades 10#, 20#, 45#, 16Mn, 27SiMn, Q345B, 35CrMo, 20Cr, 40Mn2, 40CrMo, 20CrMnTi, 10CrMo910, 15CrMo, 12Cr1MoV, 20G, St52, S45C, and various pipe materials for geological, pipeline, chemical, and power industries. These products comply with national standards: GB8162-87, GB8163-87, GB3087-82, GB5310-95, and GB6479-86. Our inventory includes seamless steel pipes for high-pressure boilers, petroleum cracking pipes, imported alloy steel pipes, alloy seamless steel pipes, bearing steel pipes, special welding pipes, spiral pipes, galvanized pipes, and stainless steel pipes, among others. We offer a comprehensive range of products in various specifications. Adhering to our principle of low prices and high quality, we ensure customer satisfaction in both purchase and use. Integrity and professionalism are our service tenets. We are committed to providing top-notch products and excellent service to both new and existing customers. We warmly welcome inquiries, letters, and personal visits for business discussions and guidance!
